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2015-06-18Bluetooth: mgmt: multi-adv for mgmt_reenable_advertising()Florian Grandel
During service discovery, advertising will be disabled. This patch ensures that it is correctly being re-enabled, both for configuration made via set advertising and add advertising, once the scanning times out. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi-adv for trigger_le_scan()Florian Grandel
This patch ensures that instance advertising is correctly canceled before starting a le scan. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: program multi-adv on power onFlorian Grandel
Advertising instances programmed while powered off should be advertised once the device is powered. This patch ensures that all combinations of setting and/or adding advertising configuration while powered off will be correctly activated on power on. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for remove_advertising*()Florian Grandel
The remove_advertising() and remove_advertising_complete() functions had instance identifiers hard coded. Notably, when passing in 0x00 as an instance identifier to signal that all instances should be removed then the mgmt API would return a hard coded 0x01 rather than returning the expected value 0x00. This bug is being fixed by always referencing the instance identifier from the management API call instead. remove_advertising() is refactored to use the new dynamic advertising instance list. The logic is being changed to make multi-instance advertising actually work, notably the schedule_adv_instance() method is being referenced to make sure that other instances will continue to advertise even if one instance is being removed. The code is made more readable by factoring advertising instance management and initialization into the low-level hci_remove_adv_instance() and hci_adv_instances_clear() functions. The method now references the clear_adv_instance() helper method to remove duplicate logic and code. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt/hci_core: multi-adv for add_advertising*()Florian Grandel
The add_advertising() and add_advertising_complete() functions reference the now obsolete hdev->adv_instance struct. Both methods are being refactored to access the dynamic advertising instance list instead. This patch also introduces all logic necessary to actually deal with multiple instance advertising. Notably the mgmt_adv_inst_expired() and schedule_adv_inst() method are being referenced to schedule instances in a round robin fashion. This patch also introduces a "pending" flag into the adv_info struct. This is necessary to identify and remove recently added advertising instances when the HCI commands return with an error status code. Otherwise new advertising instances could be leaked without properly informing userspace about their existence. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for clear_adv_instances()Florian Grandel
The clear_adv_instance() function could not clean up multiple advertising instances previously. It is being changed to provide both, a means to clean up a single instance and cleaning up all instances at once. An additional instance parameter is being introduced to achieve this. Passing in 0x00 to this parameter signifies that all instances should be cleaned up. This semantics has been chosen similarly to the semantics of the instance parameter in the remove_advertising() function. When removing a single instance the method also ensures that another instance will be scheduled if available. When the currently advertising method is being removed, it will be canceled immediately. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for set_advertising*()Florian Grandel
The set_advertising() and set_advertising_complete() methods rely on the now obsolete hci_dev->adv_instance structure. We replace this reference by an equivalent access to the newly introduced dynamic advertising instance list. This patch introduces a helper function that schedules an advertising instance correctly calculating advertising timing based on the timeout and duration settings of the instance. Scheduling is factored into its own function for readability and code sharing. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for create_instance_adv_data()Florian Grandel
The create_instance_adv_data() function could not deal with multiple advertising instances previously. This is being fixed by retrieving advertising instances from the newly introduced dynamic advertising instance list. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for create_instance_scan_rsp_data()Florian Grandel
The create_instance_scan_rsp_data() function could not deal with multiple advertising instances previously. This is being fixed by adding an additional instance parameter. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for enable_advertising()Florian Grandel
Previously enable_advertising() would rely on get_adv_instance_scan_rsp_len() which checked for a hard coded instance identifier. This is being changed to check for the current advertising instance's scan response length instead. The function is renamed accordingly. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: improve get_adv_instance_flags() readabilityFlorian Grandel
Switch if and else conditions to replace a negative statement by a positive one which makes the condition more readable. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for get_adv_instance_flags()Florian Grandel
The get_adv_instance_flags() would not work with instance identifiers other than 0x01. This is being fixed so that arbitrary instance identifiers can be dealt with while still correctly dealing with the special case of the 0x00 identifier. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for get_current_adv_instance()Florian Grandel
Replaces the hard coded instance identifier in get_current_adv_instance() with the actual current instance identifier so that this method is prepared to work with more than one advertising instance. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: multi adv for read_adv_features()Florian Grandel
The read_adv_features() method had a single instance identifier hard coded. Refer to the advertising instance list instead to return a dynamically generated list of instance identifiers. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: rename update_*_data_for_instance()Florian Grandel
The ...for_instance function name is quite long and does not follow the ..._inst_... convention followed elsewhere in the code. This patch renames the ...for_instance functions to their shorter ..._inst_... version. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: mgmt: dry update_scan_rsp_data()Florian Grandel
update_scan_rsp_data() duplicates code from get_current_adv_instance(). This is being fixed by letting the former make use of the latter. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: hci_core/mgmt: move adv timeout to hdevFlorian Grandel
Currently the delayed work managing advertising duration and timeout is part of the advertising instance structure. This is not correct as only a single instance can be advertised at any given time. To implement round robin advertising a single delayed work structure is needed. To fix this the delayed work structure is being moved to the hci_dev structure. The instance specific variable is renamed to "remaining_time" to make it clear that this is the remaining lifetime of the instance and not the current advertising timeout. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: hci_core/mgmt: Introduce multi-adv listFlorian Grandel
The current hci dev structure only supports a single advertising instance. To support multi-instance advertising it is necessary to introduce a linked list of advertising instances so that multiple advertising instances can be dynamically added and/or removed. In a first step, the existing adv_instance member of the hci_dev struct is supplemented by a linked list of advertising instances. This patch introduces the list and supporting list management infrastructure. The list is not being used yet. Signed-off-by: Florian Grandel <fgrandel@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: bt3c_cs: Fix coding style -- clean upPrasanna Karthik
Fix for braces {} are not necessary for single statement blocks reported by checkpatch Signed-off-by: Prasanna Karthik <mkarthi3@visteon.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-18Bluetooth: hci_uart: Fix speed selectionFrederic Danis
hu->proto->*speed will always be used for all device where it is set. But hu->*speed should be used if exist, so the test should be swapped. The equivalent change is needed in bcm_setup() of hci_bcm.c. Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: hci_uart: Add new line discipline enhancementsIlya Faenson
Added the ability to flow control the UART, improved the UART baud rate setting, transferred the speeds into line discipline from the protocol and introduced the tty init function. Signed-off-by: Ilya Faenson <ifaenson@broadcom.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: 6lowpan: Fix module refcountGlenn Ruben Bakke
This patch removes the additional module_put() in disconnect_all_peers() making a correct module refcount so that the module can be removed after disabling 6lowpan through debugfs. Signed-off-by: Lukasz Duda <lukasz.duda@nordicsemi.no> Signed-off-by: Glenn Ruben Bakke <glenn.ruben.bakke@nordicsemi.no> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: 6lowpan: Fix double kfree of netdev privGlenn Ruben Bakke
This patch removes the kfree of the netdev priv in device_event() upon NETDEV_UNREGISTER event. The freeing of memory is taken care of by the netdev destructor. Signed-off-by: Lukasz Duda <lukasz.duda@nordicsemi.no> Signed-off-by: Glenn Ruben Bakke <glenn.ruben.bakke@nordicsemi.no> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: 6lowpan: Move netdev sysfs device referenceGlenn Ruben Bakke
This patch moves the sysfs device used by the netdev from the device of the first connected peer to the hci sysfs device. Using the sysfs device of hci instead of the first connected device fixes this issue such that the sysfs group of tx-0 and bt0 kobject are still present after the last peer has been deleted and all sysfs entries can be removed. Signed-off-by: Lukasz Duda <lukasz.duda@nordicsemi.no> Signed-off-by: Glenn Ruben Bakke <glenn.ruben.bakke@nordicsemi.no> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: 6lowpan: Rename ambiguous variableGlenn Ruben Bakke
This patch renames the variable used to trigger scheduling of delete_netdev. Changed to infinitiv in order to describe the action to be done. Signed-off-by: Lukasz Duda <lukasz.duda@nordicsemi.no> Signed-off-by: Glenn Ruben Bakke <glenn.ruben.bakke@nordicsemi.no> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: 6lowpan: Enable delete_netdev to be scheduled when last peer is ↵Glenn Ruben Bakke
deleted This patch fixes an issue with the netdev not being unregistered when the last peer is deleted. Removing the logical negation operator on the boolean solves this issue. If the last peer is removed the condition will be true, and the delete_netdev() is scheduled. Signed-off-by: Lukasz Duda <lukasz.duda@nordicsemi.no> Signed-off-by: Glenn Ruben Bakke <glenn.ruben.bakke@nordicsemi.no> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: btbcm: Support the BCM4354 Bluetooth UART deviceIlya Faenson
Support the BCM4354 chip and introduce vendor specific command parameter definitions. Signed-off-by: Ilya Faenson <ifaenson@broadcom.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17mac802154: iface: cleanup stack variableAlexander Aring
There is no need to init res with zero, res can be unused but then we returning zero and not res. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17mac802154: iface: fix order while interface upAlexander Aring
This patch moves the hardware setting before calling the driver start callback which activates the receive handling. The hardware setup contains settings like address filtering which should be setup before activate the receive handling on the transceiver. These setting are protected by ieee802154_check_concurrent_iface check. This means we need to set these registers once before calling drv_start and can't be overwritten by other interfaces. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: btusb: Add routine for applying Intel DDC parametersTedd Ho-Jeong An
This patch adds the routine to apply the DDC parameter from device specific ddc file. Once the device is rest to operational mode, optionally, it can download the device specific configration (DDC) parameters before the BlueZ starts the stack initialization. It opens the DDC file based on HW_VARIANT and DEV_REVISION and send ID/Value with HCI_Intel_Write_DDC command. Format of DDC file DDC file contains one or more number of DDC structure. DDC Structure It has 'Length' field of one octet, DDC 'ID' field of two octets followed by the array of DDC 'Value' that gives the value of parameters itself. 'Length' contains the length of DDC 'ID' and DDC 'Value'. +------------+----------+ | Size(byte) | Name | +------------+----------+ | 1 | Length | +------------+----------+ | 2 | ID | +------------+----------+ | Length - 2 | Value | +------------+----------+ Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-17Bluetooth: hci_uart: Fix dereferencing of ERR_PTRChan-yeol Park
If h4_recv_buf() return ERR_PTR instead sk_buff pointer, it should be cleared once PTR_ERR is completed for the further dereference such as h4_recv(), or h4_close(). Signed-off-by: Chan-yeol Park <chanyeol.park@samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-16at86rf230: cleanup start and stop callbacksAlexander Aring
This code cleanups the start and stop callbacks by removing hw->priv and using the already dereferenced variable lp which is the same. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-16at86rf230: add recommended csma backoffs settingsAlexander Aring
This patch adds support for a new random csma backoffs settings when going into sleep state. This is recommended according at86rf2xx datasheets. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-16at86rf230: fix phy settings while sleepingAlexander Aring
While in sleep state then we can't access the at86rf2xx registers. This patch checks if the transceiver is in sleep state before sending spi messages via regmap. Regmap is used on every driver ops callback except for receive and xmit handling, but while receive and xmit handling the phy should not be inside the sleep state. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-15fakelb: add xmit_async after stop testcaseAlexander Aring
This patch adds a suspended testcase into the xmit_async functionality. In the hope that we can found race conditions when xmit_async is called after an ieee802154_ops stop. This should never happen. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-15at86rf230: add support for sleep stateAlexander Aring
This patch adds support for sleep state when between stop and start period. In this period the transceiver isn't used by the subsystem, in this time we disable the irq and going into the sleep state. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-15at86rf230: use level high as fallback defaultAlexander Aring
This patch use high level interrupt type as fallback handling when no irq type is given. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-15mac802154: iface: flush workqueue before stopAlexander Aring
This patch flushs the workqueue which is currently used for xmit_sync callback before calling stop driver-ops. Flush the queue will ensure all pending tx frames are transmitted. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-15mac802154: iface: fix hrtimer cancel on ifdownAlexander Aring
The interframe spacing timer is a per phy definition and is part of a ieee802154_local structure. If we have possible multiple interfaces ifdown one interface then the timer should not be cancled. First if the last interface is down and the receive handling is stopped we should be sure that the interframe spacing timer isn't run anymore. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-15mac802154: rx packet handle cleanupVarka Bhadram
This patch replaces !netif_running(sdata->dev) with !ieee802154_sdata_running(sdata) and also devide the code two separate if branches. Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12Bluetooth: Remove redundant check for ACL_LINKJohan Hedberg
The encryption key size is read only for BR/EDR (ACL_LINK) connections so there's no need to check for it in the read_enc_key_size_complete() callback. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12mac802154: fix flags BIT definitions orderAlexander Aring
This patch fixes commits ("mac802154: cleanup ieee802154 hardware flags") bcbfd2078d9b11277d9c9ce0c30ba73c750503c9 and ("mac802154: cleanup address filtering flags") 6b70a43c7e0202cf285c864bc9f20f607c42e432 by starting the flags definitions at BIT(0) which is same like the previous behaviour. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12mac802154: cleanup llsec param flagsVarka Bhadram
This patch changes the setting of llsec param flag with the BIT macro. Signed-off-by: Varka Bhadram <varkab@cdac.in> Acked-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12Bluetooth: Use actual encryption key size for SMP over BR/EDRJohan Hedberg
When pairing over SMP over BR/EDR the generated LTK has by default the same key size as the BR/EDR Link Key. Make sure we don't set our Pairing Request/Response max value to anything higher than that. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12Bluetooth: Read encryption key size for BR/EDR connectionsJohan Hedberg
Since Bluetooth 3.0 there's a HCI command available for reading the encryption key size of an BR/EDR connection. This information is essential e.g. for generating an LTK using SMP over BR/EDR, so store it as part of struct hci_conn. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12Bluetooth: Move SC-only check outside of BT_CONFIG branchJohan Hedberg
Checking for SC-only mode requirements when we get an encrypt change event shouldn't be limited to the BT_CONFIG state but done any time encryption changes. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12Bluetooth: Add debugfs support for min LE encryption key sizeJohan Hedberg
This patch adds a debugfs control to set a different minimum LE encryption key size. This is useful for testing that implementation of the encryption key size handling is behaving correctly (e.g. that we get appropriate 'Encryption Key Size' error responses when necessary). Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-12Bluetooth: Add debugfs support for max LE encryption key sizeJohan Hedberg
This patch adds a debugfs control to set a different maximum LE encryption key size. This is useful for testing that implementation of the encryption key size handling is behaving correctly. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-11Bluetooth: Stop sabotaging list poisoningAlexey Dobriyan
list_del() poisons pointers with special values, no need to overwrite them. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-10nl802154: fix misspelled enumChristoffer Holmstedt
Signed-off-by: Christoffer Holmstedt <christoffer@christofferholmstedt.se> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>